/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package bean;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author surya
 */
public class DeleteServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet DeleteServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet DeleteServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //processRequest(request, response);
        
        HttpSession session = request.getSession(true);
        //String id = request.getParameter("id_spesies");
        if (request.getParameter("id_spesies") != null || request.getParameter("id_spesies") != "all") {
            try {
                bean.DataBaseConnection conn = new bean.DataBaseConnection();
                //for (int idx = 0; idx < path.length; idx++) {
                String query = "DELETE FROM spesies WHERE id_spesies ='" + request.getParameter("id_spesies") + "'";
                Statement statement = conn.getConnection().createStatement();
                statement.executeUpdate(query);
                statement.close();
                System.out.print(request.getParameter("id_spesies"));
                response.sendRedirect("index.jsp?delete=true");
                //}
                //session.setAttribute("delete", "ok");
                //RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
                //rd.forward(request, response);
            } catch (SQLException ex) {
                Logger.getLogger(DeleteServlet.class.getName()).log(Level.SEVERE, null, ex);
            }
        } else {
            response.sendRedirect("error.jsp?error=yes");
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
